Re: High CPU Usage on restarting the Tomcat 7.0.39

[srinivas rapolu <ra...@gmail.com>]

Hi, any clue can draw from the screenshot is really appreciated.
http://www.imageurlhost.com/images/souyh4ks07ber4kwu9u.png

I can get the thread dump if it is needed to figure out the root cause.
Thanks for the help!


On Wed, Apr 30, 2014 at 4:24 PM, srinivas rapolu
<ra...@gmail.com>wrote:

> #1. Sorry, was not aware of attachments. Uploaded screenshot at:
> http://www.imageurlhost.com/images/souyh4ks07ber4kwu9u.png
>
> #2. Connector details from server.xml
> <Connector port="80" protocol="HTTP/1.1" connectionTimeout="20000"
> redirectPort="443" />
> <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
>
>
> On Wed, Apr 30, 2014 at 3:50 PM, Konstantin Kolinko <
> knst.kolinko@gmail.com> wrote:
>
>> 2014-04-30 23:41 GMT+04:00 srinivas rapolu <ra...@gmail.com>:
>> > We are using Tomcat 7.0.39 ((java version "1.7.0_25"), and Sometimes CPU
>> > goes high when we restart the TOMCAT.
>> >
>> > We have to stop the Tomcat in-order to release the release resources and
>> > again restarting the Tomcat fixes the problem.
>> >
>> > On profiling, found that Invocations on
>> > sum.rmi.transport.tcp.TCPTransport$ConnectionHandler.run() keep on
>> getting
>> > increased and occupy more CPU.
>> >
>> > Please find attachment for more information. Any help/clue on this is
>> > appreciated.
>> >
>>
>>
>> 1. Attachments are not allowed on this mailing list. The mailing list
>> server will remove them.
>>
>> http://tomcat.apache.org/lists.html#tomcat-users
>> -> 7.
>>
>> 2. What connector implementation are you using and how it is configured?
>>
>> 3. Take a thread dump when that issue happens.
>>
>>
>> http://wiki.apache.org/tomcat/HowTo#How_do_I_obtain_a_thread_dump_of_my_running_webapp_.3F
>>
>> 4.
>> http://wiki.apache.org/tomcat/HowTo/FasterStartUp
>>
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>